Why are PRVs used in plumbing lines?

Question

Accepted Answer

PRV is used in plumbing line to regulate water pressure and prevent damage to pipes and fixtures.

PRV stands for Pressure Reducing Valve.
It reduces high water pressure to a safe and manageable level.
High water pressure can cause damage to pipes, fixtures, and appliances.
PRV also helps to conserve water by reducing the amount of water wasted due to high pressure.
Examples of where PRV is used include residential homes, commercial buildings, and irrigation systems.

Accepted Answer

provides a level of insurance against variable water pressures in the municipal system, thus creating a level of insurance and protection for internal plumbing.